Nonlinear Analyses for the Permeability Coefficient of Frozen Soil冻土渗透系数非线性分析课件The Outline of Presentation冻土渗透系数非线性分析课件The Outline of My Thesis1. Introduction 2. Research Methodology3. Results and Analysis 4. Conclusion冻土渗透系数非线性分析课件Frozen Soil Coring Specimen Frost Soil Component And Volume Introduction冻土渗透系数非线性分析课件Research Orientation:Why do I choose the theme for my study?The research on permeability coefficient of frozen soil has developed for decades, achievements existed are obtained mainly from qualitative analysis, the quantitative analysis is seldom seen.The paper researches the nonlinearity of frozen soil physical parameters in order to provide with theory and data support for frozen soil engineering.12冻土渗透系数非线性分析课件Methodology Related to This StudyRelatedRelatedMethodoloMethodologygyFundamental AssumptionGoverning Differential EquationSoftware-COMSOL 冻土渗透系数非线性分析课件Model & Equation Microscopic Three-Dimensional Model Darcy Equation The Permeability Coefficient Equation冻土渗透系数非线性分析课件Tested Specimen Geotechnical Parameters and Measured Grain Composition of Frozen Soil冻土渗透系数非线性分析课件Results & Analysis Comparison between the Calculated Value and the Measured Value of the Permeability Coefficient冻土渗透系数非线性分析课件Correlation of the Average Particle Diameter and the Equivalent Permeability CoefficientCorrelation of the Porosity and the Equivalent Permeability Coefficient Results & Analysis 冻土渗透系数非线性分析课件 Correlation of the Unfrozen Water Content and the Equivalent Permeability Coefficient Correlation of the Ice Content and the Equivalent Permeability Coefficient Results & Analysis 冻土渗透系数非线性分析课件 Conclusions2K decreases with ice content and the moisture content3COMSOL studies the correlation between K and influence factors ,reasonably and feasible41 K increases with particle diameter, porosity and unfrozen water contentK influence factor: porosity, particle diameter, grain composition, water content, ice content etc冻土渗透系数非线性分析课件SICHUAN UNVIERSITYThank you for your attention!冻土渗透系数非线性分析课件